This video is to get details knowledge of Java String.
Java #String is a class in Java that is used to represent a sequence of characters. It is immutable, which means that once created, it cannot be modified. This class provides various methods to perform operations on strings such as concatenation, substring, replace, etc. Java String is widely used in Java applications for storing and manipulating textual data.
Java #StringBuilder and #StringBuffer are classes that are used for creating and manipulating mutable strings in Java. The main difference between the two is that StringBuilder is not thread-safe, whereas StringBuffer is thread-safe. Both classes provide methods for performing operations on mutable strings such as appending, inserting, and deleting characters.
The String Pool is a special memory area in Java that stores a pool of immutable strings. Whenever a string is created in Java, it is first checked if it already exists in the string pool. If it does, then the existing instance is returned, otherwise, a new instance is created and added to the pool. This helps in saving memory in Java applications by reusing strings that are already present in the pool.
Java 8 is a major release of the Java programming language that introduced several new features such as lambda expressions, functional interfaces, default methods, and the Stream API. Lambda expressions and functional interfaces enable functional programming in Java, while default methods allow adding new methods to existing interfaces without breaking backward compatibility. The Stream API provides a convenient and efficient way of processing collections of objects in Java. Overall, Java 8 is a significant release that has made Java programming more modern and expressive.
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